ProMaster 20" Manual Cable Release Filters & Accessories Neutral Density filters are essential

Neutral Density filters are essential

Accommodates lenses up to 5-inch (12

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The Optical Slave Converter can be extended using the optional 3-foot Extension Cord for creative backlighting in wrecks

ProMaster 20" Manual Cable Release Filters & Accessories Neutral Density filters are essentialProMaster 20" Manual Cable Release ProMaster SKU: 9384 Helix SKU: PR9384 Overview The ProMaster 20'' Manual Cable release is perfect for cameras that have a mechanical shutter release. The heavy duty design of this release will let you take pictures with a minimum of vibration while the locking mechanism is perfect for time exposures.